Method and apparatus for forming heavy gauge pipe blanks from flat metal



Aug. 27, 1935. LpH. PARK 2,012,795

\ METHOD AND APPARATUS FOR FORMING HEAVY GAUGE PIPE BLANKS FROM FLAT METAL Filed Sept. 25, 19:51 21 Sheets-Sheet 1 Aug. 27, 1935.

L. H. PA 2,012,795 METHOD AND APPARATUS FOR FORMING HEAVY GAUGE PI-PE BLANKS FROM FLAT METAL Filed Sept. 25, 1931 21 Sheets-Sheet 2 loz '5 AAW/PE/VCE H FZWK s51,

Aug. 2.7, 1935.

ARK A 2,012,795

. A L. H. METHOD AND APPARATUS FOR FORMING HEAVY GAUGE PIPE BLANKS FROM FLAT METAL Filed Sept. 25, 1931 21 Sheets-Sheep 3 ZAWRENCE H BIRK. 1 9-4 Aug. 27, 1935. H. PARK METHOD AND APPAR ATUS FOR FORMING HEAVY GAUGE PIPE BLANKS FROM FLAT METAL Filed Sept. 25, 1931 21 Sheets-Sheet 4 I I I II I I NEH 1 /74 /75' Aug. 27, 1935. L. H. PARK 2,012,795

METHOD AND APPARATUS FOR FORMING HEAVY GAUGE PIPE BLANKS FROM FLAT METAL F iled Sept 25, 1931 21 Sheets-Sheet 5 4 @Z I 63 I 7 5 F E i In" 1 g L I II T i 4 W :H' J 47 45 g 42 46 M 49 i 5.2? I 53 T g I: l i

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Aug. 27, 1935. 1 Y 1.. H. PARK 2,012,795

METHOD AND APPARATUS FOR FORMING HEAVY GAUGE PIPE BLANKS FROM FLAT METAL Filed Sept. 25. 1951 21 Sheets-Sheet 6 gm'ntoz [A WEENCE h. HWK.

dROIMtS Aug. '27, 1935.

H. PARK 2,012,795

L. METHOD AND APPARATUS FOR FORMING HEAVY GAUGE PIPE BLANKS FROM FLAT METAL Filed Sept. 25, 1951 21 Sheets-Sheet 7 METHOD AND APPAl RATUS FOR FORMING HEAVY GAUGE PIPE BLANKS FROM FLAT METAL Aug. 27, 1935. L H. PARK 2,012,795

Filed Sept. 25, 1931 21 sheets-sheet 8 gwumtoz Z A WfF ENCE hf EIRK,

Aug. 27, 1935. 5.. H. PARK 2,012,795

METHOD AND APPARATUS FOR FORMING HEAVY GAUGE PIPE BLANKS FROM FLAT METAL Filed Sept. 25. 1931 21 Sheets-Sheet 9 Jwuzntoz LA WAENCE H F'ARK.

Aug. 27, 1935. L. H. PARK 2,912,795

METHOD AND APPARATUS FOR FORMING HEAVY GAUGE PIPE BLANKS FROM FLAT METAL Filed Sept. 25, 1931 21 Sheets-Sheet 10- w o Q {1 Q s Q Q LA W/PENCE- H aRK,

Aug, 27,, 1935 L. H. PARK 2,012,795

METHOD AND APPARATUS FOR FORMING HEAVY GAUGE PIPE BLANKS FROM FLAT METAL Filed Sept. 25, 1931 21 Sheets-Sheet 11 5J0 E29 June/141M J5 ZAWREA/cE H BQ/PK Au 27, 1935. K 2,012,795

v METHOD AND APPARATUS FOR FORMING HEAVY GAUGE PIPE BLANKS FROM FLAT METAL Filed Sept. 25, 1931 21 Sheets-Sheet 12 LAW/FENCE H lei/5%- Aug. 27, 1935. PARK I 2,012,795:

. METHOD AND APPARATUS FOR FORMING HEAVY GAUGE PIPE BLANKS FROM FLAT METAL Filed Sept. 25, 1931 I 21 Sheets-Sheet 13 Z4W/eaw: 2 PJ/PK.

Aug, 27, 1935.. PARK 2,012,795

METHOD AND APPARATUS FOR FORMING HEAVY GAUGE PIPE BLANKS FROM FLAT METAL Filed Sept. 25. 1931 21 Sheets-Sheet 14 Jwtnntoz AAA/FENCE H. Fiwk.

L. H. PARK Aug. 27, 1935.

METHOD AND APPARATUS FOR FORMING HEAVY 21 Sheets-Sheet 15 GAUGE PIPE BLANKS FROM FLAT METAL Filed Sept. 25, 1931 mw/ez/vcz 6% 81,66

Snnentor 7 Gttorncg Aug. 27, 1935. L. H. PARK 2,012,795

METHOD AND APPARATUS FOR FORMING HEAVY GAUGE PIPE BLANKS FROM FLAT METAL Filed Sept. 25. 1931 21 Sheets-Sheet 16 I 1-4: 0F 511v: were 6 s A M Gttomeg;

Aug. 27, 1935. L. H. PARK 2,012,795

- METHOD AND APPARATUS FOR FORMING HEAVY GAUGE PIPE BLANKS FROM FLAT METAL Filed Sept, 25, 1931 21 Sheets-Sheet 17 Aug. 27, 1935. H. PARK METHOD AND APPARATUS FOR FORMING HEAVY GAUGE PIPE BLANKS FROM FLAT METAL 21 Sheets-Sheet 18 Filed Sept. 25, 1931 gin unto; I

LAWRENCE H. E WK Aug. 27, 19359 H. PARK 2,012,795

. METHOD AND .APPARATUS FOR FORMING HEAVY GAUGE PIPE BLANKS FROM FLAT METAL Fild Sept. 25, 1931 21 Sheets-Sheet 19 III |||||l |||1|- lll-li IAIII I llllll llll llll ZAWEE-yce W zz m s Aug. 27, 1935. H. PARK METHOD AND APPARATUS FOR FORMING HEAVY GAUGE PIPE BLANKS FROM FLATMETAL Filed Se t. 25, 1931 21 Sheets-Sheet 20 

